CVE-2011-4659

10.0 HIGH 2% exploit odds Fix listed Auth & access Network gear

What it is

Cisco TelePresence Software before TE 4.1.1 on the Cisco IP Video Phone E20 has a default password for the root account after an upgrade to TE 4.1.0, which makes it easier for remote attackers to modify the configuration via an SSH session, aka Bug ID CSCtw69889, a different vulnerability than CVE-2011-2555.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 1.9% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2012-01-19 15:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:35 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.9% in the next 30 days (EPSS).
Severity: 10.0 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2012-01-19 15:55 UTC
Last modified: 2026-06-16 23:35 UTC
Exploit probability: 1.9% · EPSS, next 30 days
Weakness: CWE-264
Record status: Modified

Affected

Cisco Telepresence e20 Software ≤ te4.1.1-cucm
Cisco Telepresence e20 Software te2.2
Cisco Telepresence e20 Software te2.2.1
Cisco Telepresence e20 Software te4.0.0
Cisco Telepresence e20 Software te4.1.0
Cisco Telepresence e20 Software te4.1.1
Cisco Telepresence e20 Software tenc4.0.0
Cisco Telepresence e20 Software tenc4.1.0

Attack profile CVSS 2.0 · 10.0

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record